Patents by Inventor JUSTIN S. DAVIS
JUSTIN S. DAVIS has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11804081Abstract: Methods and systems for operating axles of a vehicle are provided. In one example, an apparatus is configured to consume a first amount of electric power to indicate a first axle operating state. The apparatus is also configured to consume a second amount of electric power to indicate a second axle operating state.Type: GrantFiled: September 17, 2021Date of Patent: October 31, 2023Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLCInventors: Casey R. Lofthouse, Justin S. Davis
-
Patent number: 11767893Abstract: Methods and systems are provided for sensing a clutch position. In one example, a method may include generating a single output signal by combining at least an output of a first sensor and an output of a second sensor output, the first sensor and second sensor connected in parallel, and the first sensor and the second sensor sensing a common moving element of a clutch. In one example, the method may further include a first sensor output and a second sensor output provided on a common sensor bus. As another example, the first sensor output may be a master pulse width modulation output, and the second sensor output follows a modulation frequency of the first sensor output.Type: GrantFiled: December 1, 2021Date of Patent: September 26, 2023Assignee: Dana Automotive Systems Group, LLCInventors: Perry M. Paielli, Justin S. Davis, Terry W. McGraner, Sagar B. Bangar, Michael Z. Creech
-
Patent number: 11674581Abstract: Methods and systems for a locking differential are provided. The locking differential system includes an electromagnetic solenoid actuator configured to induce locking and unlocking of the differential and a circuit board assembly designed to programmatically control the locking and unlocking functionality. The circuit board assembly includes a multi-sensor sub-assembly having two or more sensor configured to monitor a position of the electromagnetic solenoid actuator.Type: GrantFiled: February 7, 2022Date of Patent: June 13, 2023Assignee: Dana Automotive Systems Group, LLCInventors: Justin S. Davis, Michael Z. Creech, Sagar B. Bangar
-
Publication number: 20230167861Abstract: Methods and systems are provided for sensing a clutch position. In one example, a method may include generating a single output signal by combining at least an output of a first sensor and an output of a second sensor output, the first sensor and second sensor connected in parallel, and the first sensor and the second sensor sensing a common moving element of a clutch. In one example, the method may further include a first sensor output and a second sensor output provided on a common sensor bus. As another example, the first sensor output may be a master pulse width modulation output, and the second sensor output follows a modulation frequency of the first sensor output.Type: ApplicationFiled: December 1, 2021Publication date: June 1, 2023Inventors: Perry M. PAIELLI, Justin S. DAVIS, Terry W. MCGRANER, Sagar B. BANGAR, Michael Z. CREECH
-
Patent number: 11619302Abstract: An actuation mechanism including one or more motors having an output shaft with a sun gear. A sun gear of a non-back drivable planetary gear assembly is drivingly connected to at least a portion of one or more planetary gears. The one or more planetary gears are drivingly connected to at least a portion of the sun gear, a carrier, a fixed non-rotating ring gear and a selectively rotatable output ring gear. The disclosure further relates to a method of operating an actuation mechanism that is drivingly connected to at least a portion of a vehicle parking mechanism. The method includes providing an actuation mechanism, providing a parking mechanism and one or more sensors that are operably configured to collect an amount of data to be analyzed. Based on the data analyzed, one or more failures within the parking mechanism may be determined and an alert may be sent.Type: GrantFiled: June 14, 2018Date of Patent: April 4, 2023Assignee: Dana Automotive Systems Group, LLCInventors: Justin S. Davis, Aaron Gries, Robert D. Keller
-
Patent number: 11608891Abstract: An actuation mechanism for use in a vehicle. The actuation mechanism includes one or more motors having an output shaft with a sun gear. At least a portion of the sun gear is drivingly connected to at least a portion of one or more planetary gears. The one or more planetary gears are drivingly connected to at least a portion of a carrier, a fixed non-rotating ring gear and an output gear. The disclosure further relates to a method of operating an actuation mechanism that is drivingly connected to at least a portion of a vehicle parking mechanism. The method includes providing an actuation mechanism, providing a parking mechanism and one or more sensors that are operably configured to collect an amount of data to be analyzed. Based on the data analyzed, one or more failures within the parking mechanism may be determined and an alert may be sent.Type: GrantFiled: July 14, 2021Date of Patent: March 21, 2023Assignee: Dana Automotive Systems Group, LLCInventors: Justin S. Davis, Aaron D. Gries, Robert D. Keller
-
Patent number: 11585420Abstract: An actuator assembly including a housing. The housing having an actuator component, an armature, and at least a portion of a sensor disposed therein. The armature is selectively positionable between a first position and a second position. The sensor includes at least one sensing element disposed within the housing adjacent to the armature. The sensing element has a physical property which varies based upon a position of the armature within the housing.Type: GrantFiled: August 10, 2021Date of Patent: February 21, 2023Assignee: Dana Automotive Systems Group, LLCInventors: Michael Z. Creech, Justin S. Davis, Robert D. Keller, Terry W. McGraner, Timothy R. Zuehlke
-
Publication number: 20220325786Abstract: Methods and systems for a locking differential are provided. The locking differential system includes an electromagnetic solenoid actuator configured to induce locking and unlocking of the differential and a circuit board assembly designed to programmatically control the locking and unlocking functionality. The circuit board assembly includes a multi-sensor sub-assembly having two or more sensor configured to monitor a position of the electromagnetic solenoid actuator.Type: ApplicationFiled: February 7, 2022Publication date: October 13, 2022Inventors: Justin S. DAVIS, Michael Z. CREECH, Sagar B. BANGAR
-
Publication number: 20220221307Abstract: A sensor system includes a first sensor, a second sensor, and a control in electrical communication with the first and second sensors. The controller includes a memory for storing data configured to store an offset profile for the at least one output of the first sensor. The offset profile includes a plurality of offset values, which is calculated using measured outputs of the first sensor determined while a position of a conductive material is maintained and a temperature of surrounding atmosphere is varied.Type: ApplicationFiled: May 15, 2019Publication date: July 14, 2022Inventor: Justin S. DAVIS
-
Publication number: 20220005294Abstract: Methods and systems for operating axles of a vehicle are provided. In one example, an apparatus is configured to consume a first amount of electric power to indicate a first axle operating state. The apparatus is also configured to consume a second amount of electric power to indicate a second axle operating state.Type: ApplicationFiled: September 17, 2021Publication date: January 6, 2022Inventors: Casey R. LOFTHOUSE, Justin S. DAVIS
-
Publication number: 20220003313Abstract: An actuation mechanism for use in a vehicle. The actuation mechanism includes one or more motors having an output shaft with a sun gear. At least a portion of the sun gear is drivingly connected to at least a portion of one or more planetary gears. The one or more planetary gears are drivingly connected to at least a portion of a carrier, a fixed non-rotating ring gear and an output gear. The disclosure further relates to a method of operating an actuation mechanism that is drivingly connected to at least a portion of a vehicle parking mechanism. The method includes providing an actuation mechanism, providing a parking mechanism and one or more sensors that are operably configured to collect an amount of data to be analyzed. Based on the data analyzed, one or more failures within the parking mechanism may be determined and an alert may be sent.Type: ApplicationFiled: July 14, 2021Publication date: January 6, 2022Inventors: Justin S. DAVIS, Aaron D. GRIES, Robert D. KELLER
-
Patent number: 11209289Abstract: A wireless system for determining the displacement of spinning components of a differential assembly, including a differential case having a hollow interior space; a differential assembly having an actuator including an electromagnet having a coil, a spinning component selectively engaged with a differential gear arrangement and at least one sensor assembly non-rotatably mounted to the differential case including at least one sensor communicatively coupled to a printed circuit board, a transmitter and a power source. The sensor assembly extends axially and radially within the differential case and at least one sensor is configured to directly sense the axial displacement of the spinning component and the sensor assembly is configured generate a signal representing the axial displacement of the spinning component into a signal that is wirelessly transmitted to a receiver positioned outside the differential case.Type: GrantFiled: August 13, 2019Date of Patent: December 28, 2021Assignee: Dana Automotive Systems Group, LLCInventors: Michael Z. Creech, Justin S. Davis, Seth A. Metzger, Anne M. Adamczyk
-
Publication number: 20210372514Abstract: An actuator assembly including a housing. The housing having an actuator component, an armature, and at least a portion of a sensor disposed therein. The armature is selectively positionable between a first position and a second position. The sensor includes at least one sensing element disposed within the housing adjacent to the armature. The sensing element has a physical property which varies based upon a position of the armature within the housing.Type: ApplicationFiled: August 10, 2021Publication date: December 2, 2021Inventors: Michael Z. CREECH, Justin S. DAVIS, Robert D. KELLER, Terry W. MCGRANER, Timothy R. ZUEHLKE
-
Patent number: 11142067Abstract: An axle assembly including a differential case and a side gear having an inboard surface and an outboard surface disposed in the differential case. The side gear outboard surface defines a first plurality of locking teeth. A locking gear having an inboard surface and an outboard surface, wherein the inboard surface includes a second plurality of locking teeth selectively engaged with the first plurality of locking teeth. A biasing member disposed axially between the side gear and the locking gear. An electromagnetic coil disposed adjacent the locking gear. A first inductive sensor for sensing a position of the locking gear.Type: GrantFiled: May 9, 2018Date of Patent: October 12, 2021Assignee: Dana Automotive Systems Group, LLCInventors: Michael Z. Creech, Justin S. Davis, Anne M. Adamczyk
-
Patent number: 11118665Abstract: An actuator assembly including a housing. The housing having an actuator component, an armature, and at least a portion of a sensor disposed therein. The armature is selectively positionable between a first position and a second position. The sensor includes at least one sensing element disposed within the housing adjacent to the armature. The sensing element has a physical property which varies based upon a position of the armature within the housing.Type: GrantFiled: December 19, 2018Date of Patent: September 14, 2021Assignee: Dana Automotive Systems Group, LLCInventors: Michael Z. Creech, Justin S. Davis, Robert D. Keller, Terry W. McGraner, Timothy R. Zuehlke
-
Publication number: 20200200268Abstract: An actuation mechanism including one or more motors having an output shaft with a sun gear. A sun gear of a non-back drivable planetary gear assembly is drivingly connected to at least a portion of one or more planetary gears. The one or more planetary gears are drivingly connected to at least a portion of the sun gear, a carrier, a fixed non-rotating ring gear and a selectively rotatable output ring gear. The disclosure further relates to a method of operating an actuation mechanism that is drivingly connected to at least a portion of a vehicle parking mechanism. The method includes providing an actuation mechanism, providing a parking mechanism and one or more sensors that are operably configured to collect an amount of data to be analyzed. Based on the data analyzed, one or more failures within the parking mechanism may be determined and an alert may be sent.Type: ApplicationFiled: June 14, 2018Publication date: June 25, 2020Inventors: Justin S. DAVIS, Aaron D. MARIECH, Robert D. KELLER
-
Publication number: 20200094676Abstract: An axle assembly including a differential case and a side gear having an inboard surface and an outboard surface disposed in the differential case. The side gear outboard surface defines a first plurality of locking teeth. A locking gear having an inboard surface and an outboard surface, wherein the inboard surface includes a second plurality of locking teeth selectively engaged with the first plurality of locking teeth. A biasing member disposed axially between the side gear and the locking gear. An electromagnetic coil disposed adjacent the locking gear. A first inductive sensor for sensing a position of the locking gear.Type: ApplicationFiled: May 9, 2018Publication date: March 26, 2020Applicant: DANA AUTOMOTIVE SYSTEMS GROUP, LLCInventors: MICHAEL Z. CREECH, JUSTIN S. DAVIS, ANNE M. ADAMCZYK
-
Patent number: 10520334Abstract: The present invention relates to a method and system for determining the position of the armature of a solenoid using a controller to determine the temperature of the solenoid and to indirectly determine the position of the armature without the need of an additional sensor using current sensing pulses and a solenoid capable of staying engaged due to residual magnetism after the coil has been de-energized.Type: GrantFiled: March 18, 2016Date of Patent: December 31, 2019Assignee: Dana Automotive Systems Group, LLCInventors: Michael Z. Creech, Justin S. Davis
-
Publication number: 20190368897Abstract: A wireless system for determining the displacement of spinning components of a differential assembly, including a differential case having a hollow interior space; a differential assembly having an actuator including an electromagnet having a coil, a spinning component selectively engaged with a differential gear arrangement and at least one sensor assembly non-rotatably mounted to the differential case including at least one sensor communicatively coupled to a printed circuit board, a transmitter and a power source. The sensor assembly extends axially and radially within the differential case and at least one sensor is configured to directly sense the axial displacement of the spinning component and the sensor assembly is configured generate a signal representing the axial displacement of the spinning component into a signal that is wirelessly transmitted to a receiver positioned outside the differential case.Type: ApplicationFiled: August 13, 2019Publication date: December 5, 2019Inventors: Michael Z. Creech, Justin S. Davis, Seth A. Metzger, Anne M. Adamczyk
-
Patent number: 10422660Abstract: A wireless system for determining the displacement of spinning components of a differential assembly, including a differential case having a hollow interior space; a differential assembly having an actuator including an electromagnet having a coil, a spinning component selectively engaged with a differential gear arrangement and at least one sensor assembly non-rotatably mounted to the differential case including at least one sensor communicatively coupled to a printed circuit board, a transmitter and a power source. The sensor assembly extends axially and radially within the differential case and at least one sensor is-configured to directly sense the axial displacement of the spinning component and the sensor assembly is configured generate a signal representing the axial displacement of the spinning component into a signal that is wirelessly transmitted to a receiver positioned outside the differential case.Type: GrantFiled: August 5, 2016Date of Patent: September 24, 2019Assignee: Dana Automotive Systems Group, LLCInventors: Michael Z. Creech, Justin S. Davis, Seth A. Metzger, Anne M. Adamczyk